You can use the socket the satnav prep cable plugs into to provide a 12V supply to a USB adapter to power your phone. There are various sources for the plug you will need, including Nippy Normans.
You can use the socket the satnav prep cable plugs into to provide a 12V supply to a USB adapter to power your phone. There are various sources for the plug you will need, including Nippy Normans.